<template>
  <div class="chooser-wrap">
      <ul class="chooser-list">
          <li v-for="(item,index) in selections"
          :class="{active:index === nowIndex}"
          @click="chosenSelection(index)">
          {{ item.label }}
          </li>
      </ul>
  </div>
</template>

<script>
export default {
  props:{
      selections:{
          type: Array,
          default: {
              label: '无选项',
              value: 0
          }
      }
  },
  data () {
      return {
          nowIndex: 0
      }
  },
  methods:{
      chosenSelection (index) {
          this.nowIndex = index
          this.$emit('on-change',index)
      }
  }
}
</script>

<style scoped>
.chooser-wrap{
    display: inline-block;
}

.chooser-list li{
  display: inline-block;
  border: 1px solid #e3e3e3;
  height: 25px;
  line-height: 25px;
  padding: 0 8px;
  margin-right: 5px;
  border-radius: 3px;
  text-align: center;
  cursor: pointer;
}

.chooser-list li.active {
  border-color: #4fc08d;
  background: #4fc08d;
  color: #fff;
}
</style>
